In vitro evaluation of different fungicides against Colletotrichum truncatum causing anthracnose of green gram

Abstract

A study has been conducted at Department of Plant Pathology, University of Agricultural Sciences Raichur on evaluation of new fungicide molecules against Colletotrichum truncatum, causing anthracnose of green gram. Seven systemic, seven contact and seven combi fungicides were evaluated against C. truncatum under in vitro by poison food technique. Among the contact fungicides, propineb 70% WP was recorded highest mean mycelial inhibition (82.71%) followed by copper oxy chloride 50% WP (78.51%). Among the systemic fungicides, thiophanate methyl and triazole group of fungicides like propiconazole 25% EC, difenoconazole 25% EC and tebuconazole 25.9% EC recorded highest mycelial inhibition of C. truncatum at all the three concentrations (0.05, 0.1 and 0.15%). Among the combi fungicides, cent per cent inhibition was recorded in tricyclazole 18% + mancozeb 62% WP and carbendazim 12% + mancozeb 63% WP at 0.3 per cent concentration.